1000 Amp Cable Size at 500 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 1000 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)75× 400 mm²Drop: 0.71V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 88.25V (367.71%)
Voltage at Load23.3 VLine Loss: 713.3 W
Max Power & Breaker24.0 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 1000A at 500m
| Cross-Section (mm²) | Cu Ampacity | Al Ampacity | Cu Voltage Drop | Load Voltage | Al Voltage Drop | Power Loss | Status |
|---|---|---|---|---|---|---|---|
| 1.5 mm² | 16 A | 12 A | 14266.67 V (59444.44%) | 0.0 V | 23533.33 V (98055.56%) | 14266666.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 8560.0 V (35666.67%) | 0.0 V | 14120.0 V (58833.33%) | 8560000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 5350.0 V (22291.67%) | 0.0 V | 8825.0 V (36770.83%) | 5350000.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 3566.67 V (14861.11%) | 0.0 V | 5883.33 V (24513.89%) | 3566666.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 2140.0 V (8916.67%) | 0.0 V | 3530.0 V (14708.33%) | 2140000.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1337.5 V (5572.92%) | 0.0 V | 2206.25 V (9192.71%) | 1337500.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 856.0 V (3566.67%) | 0.0 V | 1412.0 V (5883.33%) | 856000.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 611.43 V (2547.62%) | 0.0 V | 1008.57 V (4202.38%) | 611428.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 428.0 V (1783.33%) | 0.0 V | 706.0 V (2941.67%) | 428000.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 305.71 V (1273.81%) | 0.0 V | 504.29 V (2101.19%) | 305714.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 225.26 V (938.6%) | 0.0 V | 371.58 V (1548.25%) | 225263.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 178.33 V (743.06%) | 0.0 V | 294.17 V (1225.69%) | 178333.3 W | Drop High |
| 150 mm² | 309 A | 241 A | 142.67 V (594.44%) | 0.0 V | 235.33 V (980.56%) | 142666.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 115.68 V (481.98%) | 0.0 V | 190.81 V (795.05%) | 115675.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 89.17 V (371.53%) | 0.0 V | 147.08 V (612.85%) | 89166.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 71.33 V (297.22%) | 0.0 V | 117.67 V (490.28%) | 71333.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 53.5 V (222.92%) | 0.0 V | 88.25 V (367.71%) | 53500.0 W | Drop High |
FAQ — 1000 Amp Cable Size at 500 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 1000A at 500 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 75× 400 mm² copper cable for 1000A over 500m at 24V (voltage drop: 0.71V or 2.97%).
What is the power capacity of 1000A at 24V?
At unity power factor, 1000A at 24V supports 24.0 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (24V)
1000A · 5m (24V)1000A · 10m (24V)1000A · 15m (24V)1000A · 20m (24V)1000A · 25m (24V)1000A · 30m (24V)1000A · 35m (24V)1000A · 40m (24V)1000A · 45m (24V)1000A · 50m (24V)1000A · 60m (24V)1000A · 70m (24V)10A · 500m (24V)16A · 500m (24V)20A · 500m (24V)25A · 500m (24V)32A · 500m (24V)40A · 500m (24V)50A · 500m (24V)63A · 500m (24V)80A · 500m (24V)100A · 500m (24V)125A · 500m (24V)160A · 500m (24V)200A · 500m (24V)